Place pudding in medium bowl. Gradually blend eggnog into pudding. Cover; refrigerate.
Heat oven to 375°F. In large bowl, combine all fruit mixture ingredients; mix well. Spread evenly in ungreased 12x8-inch (2-quart) glass baking dish.
Lightly spoon 2/3 cup flour into measuring cup; level off. In another medium bowl, combine 2/3 cup flour, oats, brown sugar and cinnamon; mix well. Cut in margarine until mixture resembles fine crumbs. Spoon over fruit mixture.
Bake at 375°F. for 35 to 40 minutes or until deep golden brown and bubbly. Serve warm with chilled sauce.